import java.util.ArrayList;
import java.util.List;
import java.util.Random;

public class Game {
    public final String[] suits={"♣","♦","♥","♠"};
    public List<Card> createCards(){
        List<Card> cardsList=new ArrayList<>();
        for(int i=0;i<suits.length;i++){
            for(int j=1;j<=13;j++){
                Card card=new Card(suits[i],j);
                cardsList.add(card);
            }
        }
        return cardsList;
    }
    public List<Card> suffle(List<Card> cardList){
        Random random=new Random();
        for(int i=cardList.size()-1;i>0;i--){
            int rand=random.nextInt(i);
            swap(cardList,rand,cardList.size()-1);
        }
        return cardList;
    }
    private void swap(List<Card> cardList,int i,int j){
        Card tem=cardList.get(i);
        cardList.set(i,cardList.get(j));
        cardList.set(j,tem);
    }
    public List<List<Card>> play(List<Card> cardList){
        List<List<Card>> hand=new ArrayList<>();
        List<Card> hand0=new ArrayList<>();
        List<Card> hand1=new ArrayList<>();
        List<Card> hand2=new ArrayList<>();
        hand.add(hand0);
        hand.add(hand1);
        hand.add(hand2);
        for(int i=0;i<5;i++){
            for(int j=0;j<3;j++){
                Card card=cardList.remove(0);
                hand.get(j).add(card);
            }
        }
        return hand;
    }
}
